Blind-fastener.



` No. 736,949. PATENTBD AUG. 25, 1909;.

RFAVRBAU.

BLIND FASTBNER.

, APPLICATION TILE!) JULY 30, 1902.

NO MODEL.

K 'UHT-@65565: l

UNITED STATES lsatented .August 25, 1903.

EDWARD FAVREAU, OF WORCESTER, MASSACHUSETTS.

BLIND-FASTENER.

SPEGTLFICATION forming part of Letters Patent No. 736,949, dated August 25, 1903. Application tiled July 30, 1902. Serial No. 117,618. (No model.)

.T all whom, it may concern.:

Be it known that I, EDWARD FAVEEAU, a

-citizen of the United States, residing at Worcester, in the county of Worcester and State of Massachusetts, haveinvented a new and useful Blind-Fastener, of which the following is a specification.

This invention relates to an attachment for fastening. Windowblinds in their shut or closed position.

The especial object of this invention is to provide a strong, simple,and inexpensive construction for locking window-blinds, which attachment may be readily and quickly applied to blinds nowin use withoutinterfering with the ordinary blind catches or fixtures employed thereon.

To these ends this invention consists of the fastening attachment for blinds and of the combinations of-parts therewith, as hereinafterdescribed,and more particularly pointed out in the claim at the end of this specification.

In the accompanying drawings, Figure 1 is a fragmentary View of sufticient parts of a window casing and blind to illustrate the application of my invention thereto. Fig. 2 is an enlarged transverse sectional view of the same. Fig. 3 is a detail view illustrating the fastening-clip which may be employed on one of the blinds, so that a single fixture may be employed for holding both blinds closed; and Fig. 4 is a detail sectional view, partially broken away, of a blind-fastener constructed according to this invention.

The ordinary window-catches which are now employed for locking windows at night or at other times when it is desired to prevent an entrance being made through a window usually require the window to be closed. In many cases, especially in warm weather, it is desirable to leave the window open and at the same time to prevent an entrance from being made through the window. To accomplish this purpose, I have provided a locking attachment which may be applied to the ordinary window-blinds and which will serve to lock the window-blinds from the inside, so that the windows may be raised, but an entrance through the same may be prevented by locking the blinds in their shut or closed position.

Myattachment has been especiallydesigned to provide astrong, simple, and inexpensiver construction which may be applied without interfering with any of the ordinary blind snaps or fixtures now ordinarily employed.

A blind attachment constructed according to my invention consists, essentially, of two lparts or pieces-that is to say, it comprises a hasp or hook, which is fastened to one of the blinds, and a socket-piece, which is secured to the window-sill. When the blinds are closed, the hasp or hook may be dropped into the socket-piece and may be fastened therein by a locking-screw. A small key or Wrench is preferably employed for turning the locking-screw, so that the fixture cannot be unlocked after having once been fastened except by the party having possession of the key. A single attachment of this construction may be employed for holding both blinds shut by providing one of the blinds with a clip or locking piece which engages behind the blind which is locked or fastened by the attachment.

Referring to the accompanying drawings for a detail description of a blind-fastener constructed according to my invention as shown in Fig. l, A designates a portion of an ordinary window-casing. Pivoted to the Window-casing A in the ordinary manner is a blind B, which may be swung in over the window-sill C. Shutting onto the window-sill is the window-sash D. These parts may be of the ordinary construction and need not be herein described at length.

The blind-fastener, as herein illustrated, comprises a hasp carried by one of the blinds. The hasp may consist of a pivot-piece 10, having a base-section with screw-holes therein for receiving the screws which fasten the same to the blinds, while pivoted in the piece 10 is a hook or hasp 11. Secured on the window-sill C in position to cooperate with the pivoted hook or hasp 1l is a socket-piece 12. The socket-piece 12 is provided with a baseplate 13, which is perforated to receive the screws which hold the saine in place. Threadl ed transversely into one side of the socketpiece 12 is a locking-screw 14. As shown most clearly in Fig. 4., the locking-screw 14./ is pointed or rounded at its inner end to engage a depression or socket near the end of the hook or hasp 11. At its outer end the fastening-screw 14; is provided with a squared Section 15, which may be engaged and turn ed by a Wrench or key 16. By means of this construction the locking attachment will not interfere with the opening or closing of the window-blinds except When thehasp is turned up and dropped into the socket-piece 12. When this has been done and the tighteningscrew turned by the key 16, the blind cannot thereafter open or swing back unless it has been first released by the person having the key.

A single attachment of this kind may be employed for lockinga pair of window-blinds by providing one of the blinds, as E, (illustrated in Fig. 3,) with a clip 0r tongue piece 17, which engages behind the blind B having the hasp-pieee.

I am aware that numerous changes may be madein the construction of my blind-fastener by those who are skilled in the art Without departing from the scope of my invention as expressed in the claims. I do not Wish, therefore, to be limited to the construction I have herein shown and described; but

What I do claim, and desire to secure by Letters Patent of the United States, is

As an article of manufacture, a blind-fastener comprising a hasp adapted to be secured to a blind, a socket-piece adapted to be secu red to the sill, and a fastening-screw threaded into the socket-piece in position to engage and look the hasp in the socket-piece.

In testimony whereof I have hereunto set my hand in the presence of tWo subscribing Witnesses.

EDWARD FAVREAU.

Witnesses:

PHILIP W. SOUTHGATE, J. ELMER HALL. 

